<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			div{
				margin: 100px;
				height: 220px;
				width: 220px;
				
			}
			#d1{
				border-radius: 20px 180px;
				background-color: bisque;
			}
			#d2{
				border: 5px groove red;
				border-radius: 10px 50px 100px;
			}
			#d3{
				background-color: #0000FF;
				border-radius: 50%;
			}
			#d4{
				height: 200px;
				width: 400px;
				background-color: #0000FF;
				border-radius: 50%;
			}
		</style>
	</head>
	<body>
		<div id="d1"></div>
		<div id="d2"></div>
		<div id="d3"></div>
		<div id="d4"></div>
	</body>
</html>
